Caution – Vanguard Managed Solutions Vanguard 6435 Benutzerhandbuch
Seite 78
3-10
Installation and Replacement
Installing The Vanguard 6435/6455
Caution
Do not connect the Ports 3, 4, or 5 to the Public Communications Network.
Note
When installing a daughtercard with only one port, the port number is 7, 10, or
13 (depending on the location of the card).
Rear Panel Ports
There are five physical ports on the Vanguard 6435/6455 rear panel.
Ports 1 and 2
These ports have Sync/Async DB25 connectors. Depending on the DIM installed,
they can support V.11, V24, V.35 and V.36. They can also be configured as DTE or
DCE ports.
These tables describe the DB25 connector pinouts for Ports 1 and 2:
DB25 V.24 Pinouts (with DIM in DCE position)
Pin
ITU Circuit
I/O
Signal Name
1
---
-----
Protective Ground
2
103
INPUT
Transmitted data
3
104
OUTPUT
Received data
4
105
INPUT
Request To Send
5
106
OUTPUT
Clear To Send
6
107
OUTPUT
Data Set Ready
7
102
-----
Signal Ground
8
109
OUTPUT
Data Carrier Detect
14
---
INPUT
Data Restraint Out
15
114
OUTPUT
Transmitted Clock
16
117
OUTPUT
Standby Indicator
17
115
OUTPUT
Received Clock
18
---
INPUT
External Rx Clock
20
108/2
INPUT
Data Terminal Ready
21
140
INPUT
V54 Loop 2
22
125
OUTPUT
Ring Indicator
24
113
INPUT
External Rx Clock
25
142
OUTPUT
Test Indicator